Home / 38,528,560.98-53,169,008.85-21,124,863.18

Finding the Fourth Proportional to 38,528,560.98, 53,169,008.85 and 21,124,863.18

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Solution

The fourth proportional to 38,528,560.98, 53,169,008.85 and 21,124,863.18 is: 29,152,088.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,528,560.98 : 53,169,008.85 = 21,124,863.18 : x
  2. Step 2: Convert to fraction form
    38,528,560.98/53,169,008.85 = 21,124,863.18/x
  3. Step 3: Cross multiply
    38,528,560.98x = 53,169,008.85 × 21,124,863.18
  4. Step 4: Simplify right side
    38,528,560.98x = 1,123,188,037,372,459.12
  5. Step 5: Solve for x
    x = 1,123,188,037,372,459.12/38,528,560.98
  6. Step 6: Final answer
    x = 29,152,088.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.